CVE-2022-31514 : Exploit Details and Defense Strategies

GitHub repository Caoyongqi912/Fan_Platform allows absolute path traversal leading to a security vulnerability due to the unsafe use of the Flask send_file function.

Understanding CVE-2022-31514

This CVE highlights a critical security issue in the Caoyongqi912/Fan_Platform GitHub repository.

What is CVE-2022-31514?

The CVE-2022-31514 vulnerability arises from the unsecure implementation of the Flask send_file function, enabling attackers to perform absolute path traversal.

The Impact of CVE-2022-31514

The exploitation of this vulnerability can result in unauthorized access to sensitive files and data stored on the affected system, potentially leading to further security breaches.

Technical Details of CVE-2022-31514

This section delves into the specifics of the CVE, outlining the vulnerability, affected systems, and exploitation methods.

Vulnerability Description

The vulnerability allows threat actors to navigate and retrieve files outside the intended directories, compromising data confidentiality and system integrity.

Affected Systems and Versions

All versions of the Caoyongqi912/Fan_Platform repository on GitHub through April 20, 2021, are susceptible to this security flaw.

Exploitation Mechanism

By manipulating file paths using the Flask send_file function, attackers can access arbitrary files stored on the server, bypassing intended access restrictions.

Mitigation and Prevention

To address CVE-2022-31514, immediate actions and long-term security practices should be followed to enhance cybersecurity.

Immediate Steps to Take

Update the Flask implementation to prevent path traversal vulnerabilities.
Regularly monitor and audit file access and permissions within the application.

Long-Term Security Practices

Implement proper input validation and sanitization techniques in the codebase.
Conduct security assessments and penetration testing to identify and remediate potential vulnerabilities.

Patching and Updates

Stay informed about security patches and updates related to Flask and other dependencies used within the Caoyongqi912/Fan_Platform repository to mitigate known vulnerabilities.